Bishop Iacob of Daire Coluimb Chille

Bishop Iacob of Daire Coluimb Chille (23 January 1041-), known as Bishop Jacob of Derry in English, was the Bishop of Derry in what is now County Londonderry, Ireland. In 1070, he succeeded Bishop Uargus of Rath Bhoth as Court Chaplain of Ulster under King Einri of Eire.